Sulfomethylated bisphenol-formaldehyde condensation products used as dye resists for polyurethane and synthetic polyamide fibers
United States Patent 3322488

Inventors:
Feeman, James F.
Publication Date:
05/30/1967
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Assignee:
CROMPTON & KNOWLES CORP
Primary Class:
Other Classes:
8/929, 8/94.240, 8/530, 8/924, 8/127.600, 8/926, 8/531
International Classes:
D06P3/60; D06P3/82; D06P3/58
US Patent References:
3029212Synthetic tanning agent and process for preparing same
3065039Sulfo-methylated phenol-formaldehyde tanning agents